Research Article
Occult Central Lymph Node Metastasis in cN0 Papillary Thyroid Carcinoma Patients Undergoing TOETVA Procedure
Table 1
Clinicopathological characteristics of patients.
| Variables | Value |
| Age (mean-min max) | 36.1 ± 9.1 (13–67) | Gender | Male | 14 (4) | Female | 332 (96) | Graves’ disease | 4 (1.15) | Tumor size on ultrasound | Size of the tumor that is suspected cancer (mm) | 7.6 ± 3.7 (2.6–20) | Cancer size | Right/left lobe | 329 (95.1) | Isthmus/both lobes | 17 (4.9) | Procedure | Total thyroidectomy | 55 (15.9) | Conservative thyroidectomy | 291 (84.1) | Central neck dissection | One side | 298 (86.1) | Both sides | 48 (13.9) | Occult lymph node metastasis ratio | 138 (39.9) | Number of lymph node (median–IQR) | Harvested | One side CND | 5 (3–7) | Both side CND | 7 (3–10) | Metastasis | One side CND | 2 (1–3) | Both side CND | 3 (2–6) | The ratio of metastasis lymph node/harvested lymph node (n = 138) | 0.5 ± 0.3 (0.05–1) | Tumor classification | T1a | 267 (77.2) | T1b | 49 (14.2) | T3b | 30 (8.6) | Postoperative pathology | Pathology type | Papillary carcinoma | 340 (98.3) | Variants of papillary carcinoma | 6 (1.7) | Microscopic capsular invasion | No | 256 (74) | Yes | 90 (26) | Thyroiditis | No | 285 (82.4) | Yes | 61 (17.6) |
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Number in parentheses represents percentage.
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